Udo Ulfkotte, a German journalist and former editor of German newpaper Frankfurter Allgemeine Zeitung who spoke out in recent years about the control of his profession by the CIA and US government, has died of a heart attack. He was 56 years old.

German journalist and editor Udo Ulfkotte says he was forced to publish the works of intelligence agents under his own name, adding that noncompliance ran the risk of being fired. Ulfkotte made the revelations during interviews with RT and Russia Insider.